A 905-G Meteor Impacts the Earth at a Speed of 1629

question 14

Multiple Choice

A 905-g meteor impacts the earth at a speed of 1629 m/s. If all of its energy is entirely converted to heat in the meteor, what will be the resulting temperature rise of the meteor, assuming it does not melt? The specific heat for the meteor material is 472 J/kg∙K, which is about the same as that of iron.

• A) 2810°C
• B) 2,540,000°C
• C) 3.10°C
• D) 11,700°C

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Definitions:

Revenue Act of 1916

A United States federal law that aimed to increase tax revenues for the preparation of World War I, imposing an excess profits tax and increasing estate and income taxes.

Espionage Act

A United States federal law passed in 1917 that was designed to prevent the support of U.S. enemies during wartime, making it a crime to promote insubordination in the military or to interfere with military recruitment.

AFL

The American Federation of Labor, a national federation of labor unions in the United States founded in 1886, focusing on better wages, hours, and working conditions.

War Effort

The collective actions and resources of a nation or group of nations mobilized to support military operations during a time of war.